Authority/Expert: A "master" can refer to someone who is highly skilled in a particular area, like an artist or musician. For example, "He is a master of the violin."
Teacher: It can also mean a teacher, especially someone who is in charge of training apprentices. For example, "The master taught the young apprentices how to carve wood."
Degree: In education, a "master" can refer to someone who has a master's degree, which is a level of education beyond a bachelor's degree. For example, "She holds a master's in business administration."
Ship Captain: In maritime terms, a "master" is the captain of a ship who is licensed to command it. For example, "The master of the ship navigated through the storm."
Original Creation: A "master" can refer to an original version of a recording from which copies are made, like a song or film. For example, "The studio released a new version of the song from the original master."
Person in Charge: It can also mean someone who has control or authority over others. For example, "He was the master of the household."
In more formal contexts, "master" can refer to historical or professional titles, such as "Master of Arts" or "Master of Science." It can also be used in discussions about mastery as a concept in psychology or education, focusing on the process of achieving high levels of skill or understanding.